ATI RN
Questions on Epidemiology Questions
Question 1 of 5
Before calculating a standard deviation, one should ensure that: (Choose one wrong answer)
Correct Answer: C
Rationale: Standard deviation requires interval or ratio data (C is correct, but the question seeks a wrong answer). Normality (A) and sample size (B) are not prerequisites.
Question 2 of 5
In an oral presentation, three-dimensional pie charts and three-dimensional columns in bar charts are desirable because they add visual interest to a slide.
Correct Answer: B
Rationale: 3D effects distort data perception and are avoided in epidemiological presentations.
Question 3 of 5
The list of diseases that a physician must report to the local health department is typically compiled by the…
Correct Answer: D
Rationale: The CSTE establishes the national notifiable disease list, adopted by states.
Question 4 of 5
Use the following steps of an outbreak investigation for Question 5: 1. Analyze data by time, place, and person, 2. Conduct a case-control study, 3. Generate hypotheses, 4. Conduct active surveillance for additional cases, 5. Verify the diagnosis, 6. Confirm that the number of cases exceeds the expected number, 7. Talk with laboratorians about specimen collection. For an investigation of an outbreak, what is the logical conceptual order of the steps listed above?
Correct Answer: D
Rationale: Logical order: confirm outbreak (6), verify diagnosis (5), prep labs (7), find cases (4), analyze (1), hypothesize (3), study (2).
Question 5 of 5
In the definition of epidemiology, “distribution” refers to: (Choose one wrong answer)
Correct Answer: D
Rationale: Distribution covers who, when, and where disease occurs. 'Why' addresses causation, not distribution.